E-flite's 30 amp Pro SB brushless ESC offers up to 30 amps of continuous current with proper airflow and a peak of 35 amps. It drives up to 5 analog or 4 digital sub-micro servos with the BEC on any recommended input voltage. This brushless ESC includes programmable motor braking, soft start for helis and planes, timing, throttle input range, and low voltage cutoff. It also features auto motor shutdown in case of lost signal or interference. The safe power arm mode prevents accidental starts.